Rozwiąż równania : 4x - 25 = 7 9z + 4 = 40 3y - 8 = -5
Rozwiąż równania :
4x - 25 = 7
9z + 4 = 40
3y - 8 = -5
4x - 25 = 7 4x=25+7 4x=32/4 x=8 9z + 4 = 40 9z=40-4 9z=36/9 z=4 3y - 8 = -5 3y=8-5 3y=3/3 y=1
4x - 25 = 7 4x=7+25 4x=32/4 x=8 9z + 4 = 40 9z=40-4 9z=36/9 z=4 3y - 8 = -5 3y=-5+8 3y=3/3 y=1
4x - 25 = 7 25+7=4x 32=4x/4 x=8 9z + 4 = 40 40-4=9z/9 z=4 3y - 8 = -5 3y= -5+8 3y=3/3 y=1